A man walks 8 km south, then 15 km west, then 8 km north. How far is he from the starting point?
Q1. A man walks 8 km south, then 15 km west, then 8 km north. How far is he from the starting point?
Answer: 15 km
Explanation: The man's north and south movements cancel out, leaving him 15 km west of the starting point.